Calflora
Taxon  Report   2126    
Cirsium douglasii  DC.  var. breweri  (A. Gray) D. J. Keil & C. E. Turner
Brewer's swamp thistle,   Douglas' thistle
Cirsium douglasii var. breweri, a dicot, is a perennial herb that is native to California, and endemic (limited) to California.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial

Bloom Period
Family: Asteraceae  
Genus: Cirsium
Parent: Cirsium douglasii

Wetlands: Occurs in wetlands

Ultramafic affinity: 3 - strong indicator

Communities: Douglas-Fir Forest, Yellow Pine Forest, Coastal Prairie, wetland-riparian

Name Status:
Accepted by JEF + PLANTS
Alternate Names:
PLANTSCirsium breweri var. lanosissimum
PLANTSCirsium breweri
PLANTSCirsium douglasii var. canescens
More information about  Cirsium douglasii var. breweri

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2021. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 10/25/2021).